CN105001837A - Refrigerant and use method thereof - Google Patents

Refrigerant and use method thereof Download PDF

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Publication number
CN105001837A
CN105001837A CN201510420535.9A CN201510420535A CN105001837A CN 105001837 A CN105001837 A CN 105001837A CN 201510420535 A CN201510420535 A CN 201510420535A CN 105001837 A CN105001837 A CN 105001837A
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China
Prior art keywords
refrigeration
refrigeration agent
naco
parts
temperature
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CN201510420535.9A
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Chinese (zh)
Inventor
王粒桥
李树生
袁珊珊
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Chengdu Zhuo Jin Cci Capital Ltd
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Sichuan Shidanfu Food Co Ltd
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Priority to CN201510420535.9A priority Critical patent/CN105001837A/en
Publication of CN105001837A publication Critical patent/CN105001837A/en
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Abstract

The invention discloses a refrigerant. The refrigerant is a refrigerant prepared with NH4NO3, NaCO3.10H2O and CO(NH2)2 as raw materials. The three components of NH4NO3, NaCO3.10H2O and CO(NH2)2 are in collaborative compatibility, so as to generate a co-enhancing role, and a refrigeration effect is obviously superior to that of a conventional refrigerant. The invention also provides a use method of the refrigerant. A solid mixture of NH4NO3, NaCO3.10H2O and CO(NH2)2 is dissolved in an NaCl solution, the temperature of the NaCl solution can be reduced to about -12 DEG C from room temperature within 1 min, and the refrigeration time can be maintained for 8-12 min. The refrigerant has the advantages of good refrigeration effect, long refrigeration time, simple use method, convenient carrying and use, and broad market application prospects.

Description

A kind of refrigeration agent and using method thereof
Technical field
The invention belongs to refrigerant art, be specifically related to a kind of refrigeration agent and using method thereof.
Background technology
Refrigeration agent, also known as refrigeration working medium, is the working medium of refrigeration cycle.Existing refrigeration agent, absorbs heat energy or release heat energy when all utilizing refrigeration agent physical condition to change, and makes refrigeration agent while physical condition change by compressor, constantly moves in circles, to reach the object of refrigeration, as liquid nitrogen refrigerating.Although these chiller refrigeration efficiency are high, due to needs configuration compressor, should not carry with, if be away from home, on the way cooling refrigeration, very inconvenient.
Chinese invention patent CN 1443826A discloses a kind of chemical refrigerant and using method thereof.This refrigeration agent utilizes chemosynthesis salt NH 4nO 3, CO (NH 2) 2, NaCl and NaOH solid mixt react in water, absorb heat, reach the object of refrigeration; CO (NH simultaneously 2) 2itself is water-soluble also can absorb heat.Its reaction equation related to is as follows:
CO(NH 2) 2+NaOH→NH 2COONa+NH 3↑+H 2O
NH 4NO 3+NaOH→NaNO 3+NH 3↑+H 2O
But chiller refrigeration weak effect disclosed in this patent, cooling time is short.Simultaneously because this refrigeration agent absorbs heat to realize object of freezing by chemical reaction, its reaction process itself can neutralize a part of temperature, reduce further refrigeration and the cooling time of refrigeration agent, has had a strong impact on promoting the use of of this refrigeration agent.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency existing in prior art, a kind of refrigeration agent is provided.This refrigeration agent is by NH 4nO 3(ammonium nitrate), NaCO 310H 2o, CO (NH 2) 2(urea) is made for raw material.Wherein, NH 4nO 3, NaCO 310H 2o and CO (NH 2) 2collaborative compatibility between three kinds of components, produce the effect strengthened altogether, its refrigeration is obviously better than conventional refrigerant.
Another object of the present invention is to provide the using method of described refrigeration agent.This using method is simple, good refrigeration effect.
In order to realize foregoing invention object, the invention provides following technical scheme:
Refrigeration agent of the present invention, it is by NH 4nO 3, NaCO 310H 2o, CO (NH 2) 2for the refrigeration agent that raw material is made.
In refrigeration agent of the present invention, NH 4nO 3with CO (NH 2) 2play the effect of dissolving and heat absorbing, NaCO 310H 2o promotes NH 4nO 3with CO (NH 2) 2dissolve, the dissolving of self also can absorption portion heat simultaneously.
Refrigeration agent of the present invention is with NH 4nO 3, NaCO 310H 2o, CO (NH 2) 2for component, NaCO 310H 2o promotes NH 4nO 3with CO (NH 2) 2, there is not chemical reaction in dissolving and heat absorbing, be good refrigeration agent, refrigeration temperature is low, and cooling time is long each other, and its refrigeration is significantly better than with NH 4nO 3, CO (NH 2) 2be component with NaOH, absorbed heat the refrigeration agent freezed by chemical reaction.
Preferably, the weight of described each raw material is NH 4nO 320 ~ 80 parts, NaCO 310H 2o 10 ~ 70 parts, CO (NH 2) 210 ~ 60 parts.Contriver finds through test of many times, works as NH 4nO 3, NaCO 310H 2o, CO (NH 2) 2with weight part NH 4nO 320 ~ 80 parts, NaCO 310H 2o 10 ~ 70 parts, CO (NH 2) 210 ~ 60 parts when carrying out proportioning, can make to produce the effect strengthened altogether between three kinds of components, make refrigeration agent play good refrigeration.
Further preferably, the weight of described each raw material is NH 4nO 320 ~ 50 parts, NaCO 310H 2o20 ~ 60 part, CO (NH 2) 220 ~ 50 parts.
Further preferably, the weight of described each raw material is NH 4nO 330 ~ 50 parts, NaCO 310H 2o20 ~ 40 part, CO (NH 2) 220 ~ 50 parts.
Further preferably, the weight of described each raw material is NH 4nO 330 ~ 45 parts, NaCO 310H 2o30 ~ 40 part, CO (NH 2) 220 ~ 40 parts.
Preferably, the weight of described each raw material is NH to the best 4nO 340 parts, NaCO 310H 2o 35 parts, CO (NH 2) 225 parts.Contriver finds, works as NH 4nO 3, NaCO 310H 2o, CO (NH 2) 2with weight part NH 4nO 340 parts, NaCO 310H 2o 35 parts and CO (NH 2) 225 parts when carrying out proportioning, can make refrigeration obtain the best, and refrigeration agent moment refrigeration temperature is minimum, and refrigeration is held time the longest.
The using method of refrigeration agent of the present invention is by NH 4nO 3, NaCO 310H 2o and CO (NH 2) 2be mixed into solid mixt according to corresponding weight, be then dissolved in NaCl solution, mixing, namely refrigeration agent starts refrigeration.
By NH 4nO 3, NaCO 310H 2o and CO (NH 2) 2solid mixt be dissolved in NaCl solution, NH 4nO 3with CO (NH 2) 2solution absorption heat; NaCO 310H 2o promotes NH 4nO 3with CO (NH 2) 2dissolving and heat absorbing, simultaneously NaCO 310H 2the dissolving of O self also can absorb a part of heat; NaCl, as secondary refrigerant, can make the time that the refrigeration of refrigeration agent remains longer.
In above-mentioned using method, at ordinary times can by NH 4nO 3, NaCO 310H 2o and CO (NH 2) 2solid mixt pack, take packaging during use apart and be dissolved in NaCl solution, to carry, easy to use.
Preferably, in described NaCl solution, the mass percent of NaCl is 5 ~ 15%.NaCl is as secondary refrigerant, and can make the time that the refrigeration of refrigeration agent remains longer, in NaCl solution of the present invention, the mass percent of NaCl and the lowest refrigerating temperature of refrigeration agent of the present invention match.Preferably, in described NaCl solution, the mass percent of NaCl is 8 ~ 12%.Preferably, in described NaCl solution, the mass percent of NaCl is 10% to the best.
Preferably, the weight ratio of described solid mixt and NaCl solution is 3 ~ 5:2 ~ 4, can make NH 4nO 3, NaCO 310H 2o and CO (NH 2) 2fully be dissolved in NaCl solution, play better refrigeration.When NaCl solution amount is too much, whole refrigerant temperature can be reduced, cause refrigeration not good; When NaCl solution amount is too small, cause NaCl solution fully can not dissolve solid-state temperature compound, refrigeration is not obvious.The weight ratio of the preferred solid mixt of the present invention and NaCl solution is be advisable in 3 ~ 5:2 ~ 4.Preferably, the weight ratio of described solid mixt and NaCl solution is 4:3 to the best.
Compared with prior art, beneficial effect of the present invention is:
(1) refrigeration agent of the present invention is with NH 4nO 3, NaCO 310H 2o, CO (NH 2) 2for component, NH 4nO 3with CO (NH 2) 2solution absorption heat; NaCO 310H 2o promotes NH 4nO 3with CO (NH 2) 2dissolving and heat absorbing, simultaneously NaCO 310H 2the dissolving of O self also can absorb a part of heat; By regulating the weight of three, make to produce the collaborative effect strengthened between three, good refrigeration effect.
(2) the present invention is by NH 4nO 3, NaCO 310H 2o, CO (NH 2) 2solid mixt be dissolved in NaCl solution, NaCO 310H 2o promotes NH 4nO 3with CO (NH 2) 2abundant dissolving, it is longer that NaCl makes low temperature hold time, and refrigeration is remarkable.Work as NH 4nO 3, NaCO 310H 2o, CO (NH 2) 2solid mixt be dissolved in NaCl solution, the temperature of NaCl solution can be made in 1min to be reduced to about-12 DEG C from normal temperature, and cooling time can maintain 8 ~ 12min, and refrigeration is significantly better than conventional refrigerant.
Embodiment
Below in conjunction with test example and embodiment, the present invention is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the present invention is only limitted to following embodiment, all technology realized based on content of the present invention all belong to scope of the present invention.
Embodiment 1
By 40g NH 4nO 3, 35g NaCO 310H 2o, 25g CO (NH 2) 2be mixed into solid mixt, be then dissolved in 75g NaCl solution (mass percent of NaCl is 10%), mixing, realizes chiller refrigeration.
Refrigeration agent described in embodiment 1 is in 1min, and its temperature is reduced to-15 DEG C from normal temperature.The timing when reaching-15 DEG C and opening, returns to 0 DEG C when not taking any Insulation, need 9min consuming time.The present embodiment chiller refrigeration time can maintain 12min.
The water of refrigeration agent to 250ml described in embodiment 1 is freezed, the temperature of water in 1.5min, can be made to be reduced to 8 DEG C from normal temperature; After 15min, the temperature of water still can maintain 12 DEG C.
Embodiment 2
By 80g NH 4nO 3, 10g NaCO 310H 2o, 10g CO (NH 2) 2be mixed into solid mixt, be then dissolved in 75g NaCl solution (mass percent of NaCl is 15%), mixing, realizes chiller refrigeration.
Refrigeration agent described in embodiment 2 is in 1min, and its temperature is reduced to-12 DEG C from normal temperature, and cooling time can maintain 9min.
The water of refrigeration agent to 250ml described in embodiment 2 is freezed, the temperature of water in 1.5min, can be made to be reduced to 12 DEG C from normal temperature; After 15min, the temperature of water can maintain 15 DEG C.
Embodiment 3
By 30g NH 4nO 3, 50g NaCO 310H 2o, 10g CO (NH 2) 2be mixed into solid mixt, be then dissolved in 120g NaCl solution (mass percent of NaCl is 5%), mixing, realizes chiller refrigeration.
Refrigeration agent described in embodiment 3 is in 1min, and its temperature is reduced to-12 DEG C from normal temperature, and cooling time can maintain 8min.
The water of refrigeration agent to 250ml described in embodiment 3 is freezed, the temperature of water in 1.5 minutes, can be made to be reduced to 12 DEG C from normal temperature; After 15min, the temperature of water can maintain 16 DEG C.
Embodiment 4
By 40g NH 4nO 3, 10g NaCO 310H 2o, 50g CO (NH 2) 2be mixed into solid mixt, be then dissolved in 80g NaCl solution (mass percent of NaCl is 10%), mixing, realizes chiller refrigeration.
Refrigeration agent described in embodiment 4 is in 1min, and its temperature is reduced to-10 DEG C from normal temperature, and cooling time can maintain 9min.
The water of refrigeration agent to 250ml described in embodiment 4 is freezed, the temperature of water in 1.5min, can be made to be reduced to 13 DEG C from normal temperature; After 15min, the temperature of water can maintain 16 DEG C.
From embodiment 1 ~ 4, refrigeration agent of the present invention is in 1min, and its temperature can be made to be reduced to-15 ~-10 DEG C from normal temperature, and cooling time can maintain 8 ~ 12min.Wherein, refrigeration agent described in embodiment 1, its refrigeration temperature is-15 DEG C, cooling time is 12min, compared with embodiment 2 ~ 4, its refrigeration temperature reduces about 3 ~ 5 DEG C respectively, and its cooling time extends 3 ~ 4min respectively, being in preferably effect with less advantage, is optimum implementation of the present invention.
Comparative example 1
The basis of embodiment 1 is investigated each parts by weight of raw materials proportioning of refrigeration agent on the impact of refrigeration agent.
(1) refrigeration agent A: refrigeration agent consists of 10g NH 4nO 3, 80g NaCO 310H 2o, 10gCO (NH 2) 2, all the other are all with embodiment 1.
(2) refrigeration agent B: refrigeration agent consists of 85g NH 4nO 3, 10g NaCO 310H 2o, 5gCO (NH 2) 2, all the other are all with embodiment 1.
(3) refrigeration agent C: refrigeration agent consists of 15g NH 4nO 3, 10g NaCO 310H 2o, 75gCO (NH 2) 2, all the other are all with embodiment 1.
After testing: the refrigeration agent A described in this comparative example is in 1min, and its temperature is reduced to-8 DEG C from normal temperature, and cooling time only can maintain about 4min; Refrigeration agent B is in 1min, and its temperature is reduced to-6 DEG C from normal temperature, and cooling time only can maintain about 4min; Refrigeration agent C is in 1min, and its temperature is reduced to-7 DEG C from normal temperature, and cooling time only can maintain about 3min.
From this comparative example, refrigeration agent A ~ C is not because its weight is in scope of the present invention, cause its refrigeration temperature compared with embodiment 1, reduce 7 DEG C, 9 DEG C, 8 DEG C respectively, its cooling time respectively comparatively embodiment 1 shorten about 8min, 8min and 9min, show that the weight of refrigerant component of the present invention achieves non-obvious technique effect.
Comparative example 2
The basis of embodiment 1 is investigated the impact of refrigerant component on refrigeration agent.
(1) refrigeration agent D: refrigeration agent consist of 40g NH 4nO 3, 25g CO (NH 2) 2, all the other are all with embodiment 1;
(2) refrigeration agent E: refrigeration agent consist of 40g NH 4nO 3, 35g NaCO 310H 2o, all the other are all with embodiment 1;
(3) refrigeration agent F: refrigeration agent consist of 35g NaCO 310H 2o, 25g CO (NH 2) 2, all the other are all with embodiment 1.
After testing: the refrigeration agent D described in this comparative example is in 1min, and its temperature is reduced to-5 DEG C from normal temperature, and cooling time only can maintain about 3min; Refrigeration agent E is in 1min, and its temperature is reduced to-6 DEG C from normal temperature, and cooling time only can maintain about 2min; Refrigeration agent F is in 1min, and its temperature is reduced to-1 DEG C from normal temperature, and cooling time only can maintain about 3min.
From this comparative example, refrigeration agent D is owing to lacking component NaCO 310H 2o, its refrigeration temperature is reduced to-5 DEG C by-15 DEG C, reduces 10 DEG C; Cooling time is reduced to 3min by 12min, reduces about 9min.And refrigeration agent E is owing to lacking component CO (NH 2) 2, its refrigeration temperature reduces 9 DEG C; Cooling time shortens about 10min; Refrigeration agent F is owing to lacking component NH 4nO 3, its refrigeration temperature reduces 14 DEG C; Cooling time shortens about 9min.
From comparative example 1 and comparative example 2, refrigeration agent of the present invention is with NH 4nO 3, NaCO 310H 2o and CO (NH 2) 2for feed composition, and the weight of each raw material is regulated to be NH 4nO 320 ~ 80 parts, NaCO 310H 2o 10 ~ 70 parts, CO (NH 2) 210 ~ 60 parts, make between three components, to produce the collaborative effect strengthened, significantly reduce refrigeration temperature, extend cooling time, achieve non-obvious technique effect.
Comparative example 3
Carry out according to application for a patent for invention CN 1443826A, specific embodiments is as follows:
By 25g NH 4nO 3, 6g NaOH, 56g CO (NH 2) 2, 22gNaCl is mixed into solid mixt, is then dissolved in 82g deionized water, mixing, refrigeration agent starts refrigeration.
Refrigeration agent described in comparative example 3 is in 1min, and its temperature is reduced to-1 DEG C from normal temperature, and cooling time only can maintain about 2min.
The water of refrigeration agent to 250ml described in embodiment 1 is freezed, the temperature of water in 2min, can be made to be reduced to 16 DEG C from normal temperature; After 10min, namely the temperature of water returns to normal temperature, poor refrigerating efficiency.
Comparative example 3 shows that refrigeration agent of the present invention is with NH 4nO 3, NaCO 310H 2o and CO (NH 2) 2for feed composition, its refrigeration is obviously better than with NH 4nO 3, NaOH and CO (NH 2) 2for the refrigeration agent of feed composition.Compared with prior art, chiller refrigeration temperature of the present invention is lower, and cooling time is longer.

Claims (10)

1. a refrigeration agent, is characterized in that: it is by NH 4nO 3, NaCO 310H 2o, CO (NH 2) 2for the refrigeration agent that raw material is made.
2. refrigeration agent according to claim 1, is characterized in that: the weight of described each raw material is NH 4nO 320 ~ 80 parts, NaCO 310H 2o 10 ~ 70 parts, CO (NH 2) 210 ~ 60 parts.
3. refrigeration agent according to claim 2, is characterized in that: the weight of described each raw material is NH 4nO 320 ~ 50 parts, NaCO 310H 2o 20 ~ 60 parts, CO (NH 2) 220 ~ 50 parts.
4. refrigeration agent according to claim 3, is characterized in that: the weight of described each raw material is NH 4nO 330 ~ 50 parts, NaCO 310H 2o 20 ~ 40 parts, CO (NH 2) 220 ~ 50 parts.
5. refrigeration agent according to claim 4, is characterized in that: the weight of described each raw material is NH 4nO 330 ~ 45 parts, NaCO 310H 2o 30 ~ 40 parts, CO (NH 2) 220 ~ 40 parts.
6. refrigeration agent according to claim 5, is characterized in that: the weight of described each raw material is NH 4nO 340 parts, NaCO 310H 2o 35 parts, CO (NH 2) 225 parts.
7. the using method of refrigeration agent according to any one of claim 1 ~ 6, is characterized in that: by NH 4nO 3, NaCO 310H 2o and CO (NH 2) 2be mixed into solid mixt according to corresponding weight, be then dissolved in NaCl solution, mixing.
8. using method according to claim 7, is characterized in that: in described NaCl solution, the mass percent of NaCl is 5 ~ 15%.
9. using method according to claim 7, is characterized in that: the weight ratio of described solid mixt and NaCl solution is 3 ~ 5:2 ~ 4.
10. using method according to claim 9, is characterized in that: the weight ratio of described solid mixt and NaCl solution is 4:3.
CN201510420535.9A 2015-07-16 2015-07-16 Refrigerant and use method thereof Pending CN105001837A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113249098A (en) * 2021-05-10 2021-08-13 韩春香 Refrigerant capable of being used for closed self-refrigeration pop can

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Application publication date: 20151028